private void OnBackgroundTaskChanged(object sender, EventArgs e)
{
if(sender is ToolStripMenuItem) {
activeTask = ((ToolStripMenuItem)sender).Tag as BackgoundTask;
}
else {
activeTask = sender as BackgoundTask;
}
// show the controls
TaskList.Visible = true;
TaskStopList.Visible = true;
TaskProgress.Visible = true;
TaskList.Text = activeTask.Name;
TaskList.Image = activeTask.Image;
TaskProgress.Style = activeTask.ProgressStyle;
TaskProgress.Value = (int)Math.Max(TaskProgress.Minimum, Math.Min(TaskProgress.Maximum, activeTask.ProgressValue));
}
public BackgoundTask RegisterBackgroundTask(string name, Image image, ProgressBarStyle progressStyle, int progressValue)
{
Debug.AssertNotNull(name, "Name is null");
BackgoundTask task = new BackgoundTask();
task.Name = name;
task.Image = image;
task.ProgressStyle = progressStyle;
task.ProgressValue = progressValue;
task.OnProgressChanged += OnBackgroundTaskProgressChanged;
task.OnStopped += OnBackgroundTaskStopped;
backgoundTasks.Add(task);
ToolStripMenuItem menuItem = new ToolStripMenuItem(task.Name, task.Image, OnBackgroundTaskChanged);
menuItem.Tag = task;
TaskList.DropDownItems.Add(menuItem);
task.AttachedControls.Add(new KeyValuePair<ToolStripMenuItem, ToolStripDropDownItem>(menuItem, TaskList));
ToolStripMenuItem stopMenuItem = new ToolStripMenuItem("Stop " + task.Name, task.Image, OnBackgroundTaskStop);
stopMenuItem.Tag = task;
TaskStopList.DropDownItems.Add(stopMenuItem);
task.AttachedControls.Add(new KeyValuePair<ToolStripMenuItem, ToolStripDropDownItem>(stopMenuItem, TaskStopList));
OnBackgroundTaskChanged(task, null);
return task;
}